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  <title>Returns the number of fields in a result set</title>
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  <div id="layout-content"><div id="function.sqlite-num-fields" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">sqlite_num_fields</h1>
  <h1 class="refname">SQLiteResult::numFields</h1>
  <h1 class="refname">SQLiteUnbuffered::numFields</h1>
  <p class="verinfo">(PHP 5 &lt; 5.4.0, PECL sqlite &gt;= 1.0.0)</p><p class="refpurpose"><span class="refname">sqlite_num_fields</span> -- <span class="refname">SQLiteResult::numFields</span> -- <span class="refname">SQLiteUnbuffered::numFields</span> &mdash; <span class="dc-title">Returns the number of fields in a result set</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.sqlite-num-fields-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>sqlite_num_fields</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
   ) : <span class="type">int</span></div>

  <p class="para rdfs-comment">面向对象风格 (method):</p>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>SQLiteResult::numFields</strong></span>
    ( <span class="methodparam">void</span>
   ) : <span class="type">int</span></div>

  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>SQLiteUnbuffered::numFields</strong></span>
    ( <span class="methodparam">void</span>
   ) : <span class="type">int</span></div>

  <p class="para rdfs-comment">
   Returns the number of fields in the <code class="parameter">result</code> set.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.sqlite-num-fields-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<code class="parameter">result</code></dt>

     <dd>

      <p class="para">
       The SQLite result resource.  This parameter is not required when using
       the object-oriented method.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.sqlite-num-fields-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the number of fields, as an integer.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.sqlite-num-fields-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="sqlite_changes.html" class="function" rel="rdfs-seeAlso">sqlite_changes()</a> - Returns the number of rows that were changed by the most
   recent SQL statement</span></li>
    <li class="member"><span class="function"><a href="sqlite_num_rows.html" class="function" rel="rdfs-seeAlso">sqlite_num_rows()</a> - Returns the number of rows in a buffered result set</span></li>
   </ul>
  </p>
 </div>

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